Found a little pdf file online at the CAP website called CAP Speak dated March 2007. They had not only a list of terms, but some of their callsigns as well. Unfortunately, it wasn't completely current so I have added corrections in bold.
Abenaki - New Hampshire Wing Tactical Call Sign
Aspen Gold - Rocky Mountain Region Tactical Call Sign
Avenging Spirit - National Headquarters Special Use Tactical Call Sign
Beaver Fox - Oregon Wing Tactical Call Sign
Black Granite - Montana Wing Tactical Call Sign
**Blue Lakes - Great Lakes Region Tactical Call Sign [CAP Great Lakes]
Blue Mesa - Colorado Wing Tactical Call Sign
Blue Mound - Wisconsin Wing Tactical Call Sign
Cajun CAP - Louisiana Wing Tactical Call Sign
CAP Kitty Hawk - North Carolina Wing Radio Tactical Call Sign
CAP Stone - Northeast Region Tactical Call Sign
CAP West - Southwest Region Tactical Call Sign
Charter Oak - Connecticut Wing Tactical Call Sign
Diamond Flight - Delaware Wing Radio Tactical Call Sign
Down East - Maine Wing Tactical Call Sign
Firebrand - Hawaii Wing Tactical Call Sign
Florida CAP - Florida Wing Tactical Call Sign
Free State - Maryland Wing Radio Tactical Call Sign
Georgia CAP - Georgia Wing Tactical Call Sign
**Goldenrod - Alabama Wing Tactical Call Sign [Alabama CAP]
Grasslands - South Dakota Wing Tactical Call Sign
HeadCAP - National Headquarters Tactical Call Sign
High Plains - Wyoming Wing Tactical Call Sign
Hill CAP - West Virginia Wing Radio Tactical Call Sign
Hill Thunder - Congressional Squadron Tactical Call Sign
Iowa CAP - Iowa Wing Tactical Call Sign
Jefferson - Virginia Wing Radio Tactical Call Sign
Kentucky CAP - Kentucky Wing Tactical Call Sign
Middle East - Middle East Region Radio Tactical Call Sign
Missouri CAP - Missouri Wing Tactical Call Sign
**Mockingbird - Mississippi Wing Tactical Call Sign [Mississippi CAP]
Narragansett - Rhode Island Wing Tactical Call Sign
NatCap - National Capital Wing Radio Tactical Call Sign
North Central - North Central Region Tactical Call Sign
Oil Well - Oklahoma Wing Tactical Call Sign
Patriot - Massachusetts Wing Tactical Call Sign
Peace Garden - North Dakota Wing Tactical Call Sign
Penn CAP - Pennsylvania Wing Tactical Call Sign
Puerto Rico CAP - Puerto Rico Wing Tactical Call Sign
Red Cloud - Nebraska Wing Tactical Call Sign
Red Dragon - New Jersey Wing Tactical Call Sign
Red Fire - Indiana Wing Tactical Call Sign
Red Fox - Illinois Wing Tactical Call Sign
Red Robin - Michigan Wing Tactical Call Sign
Red Rock - Arizona Wing Tactical Call Sign
Red Thunder - Ohio Wing Tactical Call Sign
Sandlapper - South Carolina Wing Radio Tactical Call Sign
Ship Rock - New Mexico Wing Tactical Call Sign
Silver State - Nevada Wing Tactical Call Sign
Sourdough - Alaska Wing Tactical Call Sign
Southeast CAP - Southeast Region Tactical Call Sign
Star Garnet - Idaho Wing Tactical Call Sign
Starfish - Minnesota Wing Tactical Call Sign
Tennessee CAP - Tennessee Wing Tactical Call Sign
Texas CAP - Texas Wing Tactical Call Sign
Uncle Mike - Utah Wing Tactical Call Sign
Vermont CAP - Vermont Wing Tactical Call Sign
Washington CAP - Washington Wing Tactical Call Sign
Western - Pacific Region Tactical Call Sign
White Peak - New York Wing Tactical Call Sign
Wild Wood - Arkansas Wing Tactical Call Sign
Yellow Brick - Kansas Wing Tactical Call Sign
Yosemite - California Wing Tactical Call Sign
You can get this and a lot more on CAP Comms in the latest issue (June 2007) of Monitoring Times available on newsstands right now.